glusterd: separate out cli specific programs and mgmt specific programs

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 2333 (make glusterd more rpc friendly)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2333

1 files changed, 0 insertions, 1162 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd3_1-mops.c b/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
deleted file mode 100644
index 01f2374658e..00000000000
--- a/xlators/mgmt/glusterd/src/glusterd3_1-mops.c
+++ /dev/null
@@ -1,1162 +0,0 @@
-/*
-  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
-  This file is part of GlusterFS.
-
-  GlusterFS is free software; you can redistribute it and/or modify
-  it under the terms of the GNU Affero General Public License as published
-  by the Free Software Foundation; either version 3 of the License,
-  or (at your option) any later version.
-
-  GlusterFS is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  Affero General Public License for more details.
-
-  You should have received a copy of the GNU Affero General Public License
-  along with this program.  If not, see
-  <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "rpc-clnt.h"
-#include "glusterd1-xdr.h"
-#include "glusterd1.h"
-
-#include "compat-errno.h"
-#include "glusterd-op-sm.h"
-#include "glusterd-sm.h"
-#include "glusterd.h"
-#include "protocol-common.h"
-#include "glusterd-utils.h"
-#include "common-utils.h"
-#include <sys/uio.h>
-
-
-#define SERVER_PATH_MAX  (16 * 1024)
-
-
-extern glusterd_op_info_t    opinfo;
-
-
-int
-glusterd3_1_probe_cbk (struct rpc_req *req, struct iovec *iov,
-                        int count, void *myframe)
-{
-        gd1_mgmt_probe_rsp    rsp   = {{0},};
-        glusterd_conf_t       *conf = NULL;
-        int                   ret   = 0;
-        glusterd_peerinfo_t           *peerinfo = NULL;
-        glusterd_friend_sm_event_t    *event = NULL;
-        glusterd_probe_ctx_t          *ctx = NULL;
-
-        conf  = THIS->private;
-
-        if (-1 == req->rpc_status) {
-                goto out;
-        }
-
-        ret = gd_xdr_to_mgmt_probe_rsp (*iov, &rsp);
-        if (ret < 0) {
-                gf_log ("", GF_LOG_ERROR, "error");
-                //rsp.op_ret   = -1;
-                //rsp.op_errno = EINVAL;
-                goto out;
-        }
-
-        gf_log ("glusterd", GF_LOG_NORMAL,
-                "Received probe resp from uuid: %s, host: %s",
-                uuid_utoa (rsp.uuid), rsp.hostname);
-        if (rsp.op_ret != 0) {
-                ctx = ((call_frame_t *)myframe)->local;
-                ((call_frame_t *)myframe)->local = NULL;
-
-                GF_ASSERT (ctx);
-
-                if (ctx->req) {
-                        glusterd_xfer_cli_probe_resp (ctx->req, rsp.op_ret,
-                                                      rsp.op_errno,
-                                                      ctx->hostname, ctx->port);
-                }
-
-                glusterd_destroy_probe_ctx (ctx);
-                (void) glusterd_friend_remove (rsp.uuid, rsp.hostname);
-                ret = rsp.op_ret;
-                goto out;
-        }
-        ret = glusterd_friend_find (rsp.uuid, rsp.hostname, &peerinfo);
-        if (ret) {
-                GF_ASSERT (0);
-        }
-
-        uuid_copy (peerinfo->uuid, rsp.uuid);
-
-        ret = glusterd_friend_sm_new_event
-                        (GD_FRIEND_EVENT_INIT_FRIEND_REQ, &event);
-
-        if (ret) {
-                gf_log ("glusterd", GF_LOG_ERROR,
-                         "Unable to get event");
-                goto out;
-        }
-
-        event->peerinfo = peerinfo;
-        event->ctx      = ((call_frame_t *)myframe)->local;
-        ((call_frame_t *)myframe)->local = NULL;
-        ret = glusterd_friend_sm_inject_event (event);
-
-
-        if (!ret) {
-                glusterd_friend_sm ();
-                glusterd_op_sm ();
-        }
-
-        gf_log ("glusterd", GF_LOG_NORMAL, "Received resp to probe req");
-
-out:
-        if (rsp.hostname)
-                free (rsp.hostname);//malloced by xdr
-        GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe));
-        return ret;
-}
-
-int
-glusterd3_1_friend_add_cbk (struct rpc_req * req, struct iovec *iov,
-                            int count, void *myframe)
-{
-        gd1_mgmt_friend_rsp           rsp   = {{0},};
-        glusterd_conf_t               *conf = NULL;
-        int                           ret   = -1;
-        glusterd_friend_sm_event_t        *event = NULL;
-        glusterd_friend_sm_event_type_t    event_type = GD_FRIEND_EVENT_NONE;
-        glusterd_peerinfo_t           *peerinfo = NULL;
-        int32_t                       op_ret = -1;
-        int32_t                       op_errno = -1;
-        glusterd_probe_ctx_t          *ctx = NULL;
-        glusterd_friend_update_ctx_t  *ev_ctx = NULL;
-
-        conf  = THIS->private;
-
-        if (-1 == req->rpc_status) {
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto out;
-        }
-
-        ret = gd_xdr_to_mgmt_friend_rsp (*iov, &rsp);
-        if (ret < 0) {
-                gf_log ("", GF_LOG_ERROR, "error");
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto out;
-        }
-
-        op_ret = rsp.op_ret;
-        op_errno = rsp.op_errno;
-
-        gf_log ("glusterd", GF_LOG_NORMAL,
-                "Received %s from uuid: %s, host: %s, port: %d",
-                (op_ret)?"RJT":"ACC", uuid_utoa (rsp.uuid), rsp.hostname, rsp.port);
-
-        ret = glusterd_friend_find (rsp.uuid, rsp.hostname, &peerinfo);
-
-        if (ret) {
-                gf_log ("", GF_LOG_ERROR, "received friend add response from"
-                        " unknown peer uuid: %s", uuid_utoa (rsp.uuid));
-                goto out;
-        }
-
-        if (op_ret)
-                event_type = GD_FRIEND_EVENT_RCVD_RJT;
-        else
-                event_type = GD_FRIEND_EVENT_RCVD_ACC;
-
-        ret = glusterd_friend_sm_new_event (event_type, &event);
-
-        if (ret) {
-                gf_log ("glusterd", GF_LOG_ERROR,
-                         "Unable to get event");
-                goto out;
-        }
-        event->peerinfo = peerinfo;
-        ev_ctx = GF_CALLOC (1, sizeof (*ev_ctx),
-                                gf_gld_mt_friend_update_ctx_t);
-        if (!ev_ctx) {
-                ret = -1;
-                goto out;
-        }
-
-        uuid_copy (ev_ctx->uuid, rsp.uuid);
-        ev_ctx->hostname = gf_strdup (rsp.hostname);
-
-        event->ctx = ev_ctx;
-        ret = glusterd_friend_sm_inject_event (event);
-
-        if (ret)
-                goto out;
-
-out:
-        ctx = ((call_frame_t *)myframe)->local;
-        ((call_frame_t *)myframe)->local = NULL;
-
-        GF_ASSERT (ctx);
-
-        if (ctx->req)//reverse probe doesnt have req
-                ret = glusterd_xfer_cli_probe_resp (ctx->req, op_ret, op_errno,
-                                                    ctx->hostname, ctx->port);
-        if (!ret) {
-                glusterd_friend_sm ();
-                glusterd_op_sm ();
-        }
-        if (ctx)
-                glusterd_destroy_probe_ctx (ctx);
-        if (rsp.hostname)
-                free (rsp.hostname);//malloced by xdr
-        GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe));
-        return ret;
-}
-
-int
-glusterd3_1_friend_remove_cbk (struct rpc_req * req, struct iovec *iov,
-                               int count, void *myframe)
-{
-        gd1_mgmt_friend_rsp             rsp   = {{0},};
-        glusterd_conf_t                 *conf = NULL;
-        int                             ret   = -1;
-        glusterd_friend_sm_event_t      *event = NULL;
-        glusterd_friend_sm_event_type_t event_type = GD_FRIEND_EVENT_NONE;
-        glusterd_peerinfo_t             *peerinfo = NULL;
-        int32_t                         op_ret = -1;
-        int32_t                         op_errno = -1;
-        glusterd_probe_ctx_t            *ctx = NULL;
-
-        conf  = THIS->private;
-        GF_ASSERT (conf);
-
-        ctx = ((call_frame_t *)myframe)->local;
-        ((call_frame_t *)myframe)->local = NULL;
-        GF_ASSERT (ctx);
-
-        if (-1 == req->rpc_status) {
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto inject;
-        }
-
-        ret = gd_xdr_to_mgmt_friend_rsp (*iov, &rsp);
-        if (ret < 0) {
-                gf_log ("", GF_LOG_ERROR, "error");
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto respond;
-        }
-
-        op_ret = rsp.op_ret;
-        op_errno = rsp.op_errno;
-
-        gf_log ("glusterd", GF_LOG_NORMAL,
-                "Received %s from uuid: %s, host: %s, port: %d",
-                (op_ret)?"RJT":"ACC", uuid_utoa (rsp.uuid), rsp.hostname, rsp.port);
-
-inject:
-        ret = glusterd_friend_find (rsp.uuid, ctx->hostname, &peerinfo);
-
-        if (ret) {
-                //can happen as part of rpc clnt connection cleanup
-                //when the frame timeout happens after 30 minutes
-                goto respond;
-        }
-
-        event_type = GD_FRIEND_EVENT_REMOVE_FRIEND;
-
-        ret = glusterd_friend_sm_new_event (event_type, &event);
-
-        if (ret) {
-                gf_log ("glusterd", GF_LOG_ERROR,
-                         "Unable to get event");
-                goto respond;
-        }
-        event->peerinfo = peerinfo;
-
-        ret = glusterd_friend_sm_inject_event (event);
-
-        if (ret)
-                goto respond;
-
-        glusterd_friend_sm ();
-        glusterd_op_sm ();
-
-        op_ret = 0;
-
-
-respond:
-        ret = glusterd_xfer_cli_deprobe_resp (ctx->req, op_ret, op_errno,
-                                              ctx->hostname);
-        if (!ret) {
-                glusterd_friend_sm ();
-                glusterd_op_sm ();
-        }
-
-        if (ctx) {
-                glusterd_broadcast_friend_delete (ctx->hostname, NULL);
-                glusterd_destroy_probe_ctx (ctx);
-        }
-
-        if (rsp.hostname)
-                free (rsp.hostname);//malloced by xdr
-        GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe));
-        return ret;
-}
-
-int32_t
-glusterd3_1_friend_update_cbk (struct rpc_req *req, struct iovec *iov,
-                              int count, void *myframe)
-{
-        gd1_mgmt_cluster_lock_rsp     rsp   = {{0},};
-        int                           ret   = -1;
-        int32_t                       op_ret = 0;
-        char                          str[50] = {0,};
-
-        GF_ASSERT (req);
-
-        if (-1 == req->rpc_status) {
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto out;
-        }
-
-/*        ret = gd_xdr_to_mgmt_friend_update_rsp (*iov, &rsp);
-        if (ret < 0) {
-                gf_log ("", GF_LOG_ERROR, "error");
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto out;
-        }
-        uuid_unparse (rsp.uuid, str);
-
-        op_ret = rsp.op_ret;
-*/
-        gf_log ("glusterd", GF_LOG_NORMAL,
-                "Received %s from uuid: %s",
-                (op_ret)?"RJT":"ACC", str);
-
-out:
-        GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe));
-        return ret;
-}
-
-int32_t
-glusterd3_1_cluster_lock_cbk (struct rpc_req *req, struct iovec *iov,
-                              int count, void *myframe)
-{
-        gd1_mgmt_cluster_lock_rsp     rsp   = {{0},};
-        int                           ret   = -1;
-        int32_t                       op_ret = -1;
-        glusterd_op_sm_event_type_t   event_type = GD_OP_EVENT_NONE;
-        glusterd_peerinfo_t           *peerinfo = NULL;
-
-        GF_ASSERT (req);
-
-        if (-1 == req->rpc_status) {
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto out;
-        }
-
-        ret = gd_xdr_to_mgmt_cluster_lock_rsp (*iov, &rsp);
-        if (ret < 0) {
-                gf_log ("", GF_LOG_ERROR, "error");
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto out;
-        }
-
-        op_ret = rsp.op_ret;
-
-        gf_log ("glusterd", GF_LOG_NORMAL,
-                "Received %s from uuid: %s",
-                (op_ret)?"RJT":"ACC", uuid_utoa (rsp.uuid));
-
-        ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo);
-
-        if (ret) {
-                gf_log ("", GF_LOG_CRITICAL, "Lock response received from "
-                        "unknown peer: %s", uuid_utoa (rsp.uuid));
-        }
-
-        if (op_ret) {
-                event_type = GD_OP_EVENT_RCVD_RJT;
-                opinfo.op_ret = op_ret;
-        } else {
-                event_type = GD_OP_EVENT_RCVD_ACC;
-        }
-
-        ret = glusterd_op_sm_inject_event (event_type, NULL);
-
-        if (!ret) {
-                glusterd_friend_sm ();
-                glusterd_op_sm ();
-        }
-
-out:
-        GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe));
-        return ret;
-}
-
-int32_t
-glusterd3_1_cluster_unlock_cbk (struct rpc_req *req, struct iovec *iov,
-                                 int count, void *myframe)
-{
-        gd1_mgmt_cluster_lock_rsp     rsp   = {{0},};
-        int                           ret   = -1;
-        int32_t                       op_ret = -1;
-        glusterd_op_sm_event_type_t   event_type = GD_OP_EVENT_NONE;
-        glusterd_peerinfo_t           *peerinfo = NULL;
-
-
-        GF_ASSERT (req);
-
-        if (-1 == req->rpc_status) {
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto out;
-        }
-
-        ret = gd_xdr_to_mgmt_cluster_unlock_rsp (*iov, &rsp);
-        if (ret < 0) {
-                gf_log ("", GF_LOG_ERROR, "error");
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                goto out;
-        }
-
-        op_ret = rsp.op_ret;
-
-        gf_log ("glusterd", GF_LOG_NORMAL,
-                "Received %s from uuid: %s",
-                (op_ret)?"RJT":"ACC", uuid_utoa (rsp.uuid));
-
-        ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo);
-
-        if (ret) {
-                gf_log ("", GF_LOG_CRITICAL, "Unlock response received from "
-                        "unknown peer %s", uuid_utoa (rsp.uuid));
-        }
-
-        if (op_ret) {
-                event_type = GD_OP_EVENT_RCVD_RJT;
-                opinfo.op_ret = op_ret;
-        } else {
-                event_type = GD_OP_EVENT_RCVD_ACC;
-        }
-
-        ret = glusterd_op_sm_inject_event (event_type, NULL);
-
-        if (!ret) {
-                glusterd_friend_sm ();
-                glusterd_op_sm ();
-        }
-
-out:
-        GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe));
-        return ret;
-}
-
-static int32_t
-glusterd_rb_use_rsp_dict (dict_t *rsp_dict)
-{
-        int32_t  src_port = 0;
-        int32_t  dst_port = 0;
-        int      ret      = 0;
-        dict_t  *ctx      = NULL;
-
-
-        ctx = glusterd_op_get_ctx (GD_OP_REPLACE_BRICK);
-        if (!ctx) {
-                gf_log ("", GF_LOG_ERROR,
-                        "Operation Context is not present");
-                GF_ASSERT (0);
-        }
-
-        if (rsp_dict) {
-                ret = dict_get_int32 (rsp_dict, "src-brick-port", &src_port);
-                if (ret == 0) {
-                        gf_log ("", GF_LOG_DEBUG,
-                                "src-brick-port=%d found", src_port);
-                }
-
-                ret = dict_get_int32 (rsp_dict, "dst-brick-port", &dst_port);
-                if (ret == 0) {
-                        gf_log ("", GF_LOG_DEBUG,
-                                "dst-brick-port=%d found", dst_port);
-                }
-
-        }
-
-        if (src_port) {
-                ret = dict_set_int32 (ctx, "src-brick-port",
-                                      src_port);
-                if (ret) {
-                        gf_log ("", GF_LOG_DEBUG,
-                                "Could not set src-brick");
-                        goto out;
-                }
-        }
-
-        if (dst_port) {
-                ret = dict_set_int32 (ctx, "dst-brick-port",
-                                      dst_port);
-                if (ret) {
-                        gf_log ("", GF_LOG_DEBUG,
-                                "Could not set dst-brick");
-                        goto out;
-                }
-
-        }
-
-out:
-        return ret;
-
-}
-
-int32_t
-glusterd3_1_stage_op_cbk (struct rpc_req *req, struct iovec *iov,
-                          int count, void *myframe)
-{
-        gd1_mgmt_stage_op_rsp         rsp   = {{0},};
-        int                           ret   = -1;
-        int32_t                       op_ret = -1;
-        glusterd_op_sm_event_type_t   event_type = GD_OP_EVENT_NONE;
-        glusterd_peerinfo_t           *peerinfo = NULL;
-        dict_t                        *dict   = NULL;
-
-        GF_ASSERT (req);
-
-        if (-1 == req->rpc_status) {
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                rsp.op_errstr = "error";
-                goto out;
-        }
-
-        ret = gd_xdr_to_mgmt_stage_op_rsp (*iov, &rsp);
-        if (ret < 0) {
-                gf_log ("", GF_LOG_ERROR, "error");
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                rsp.op_errstr = "error";
-                goto out;
-        }
-
-        if (rsp.dict.dict_len) {
-                /* Unserialize the dictionary */
-                dict  = dict_new ();
-
-                ret = dict_unserialize (rsp.dict.dict_val,
-                                        rsp.dict.dict_len,
-                                        &dict);
-                if (ret < 0) {
-                        gf_log ("glusterd", GF_LOG_ERROR,
-                                "failed to "
-                                "unserialize rsp-buffer to dictionary");
-			event_type = GD_OP_EVENT_RCVD_RJT;
-                        goto out;
-                } else {
-                        dict->extra_stdfree = rsp.dict.dict_val;
-                }
-        }
-
-        op_ret = rsp.op_ret;
-
-        gf_log ("glusterd", GF_LOG_NORMAL,
-                "Received %s from uuid: %s",
-                (op_ret)?"RJT":"ACC", uuid_utoa (rsp.uuid));
-
-        ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo);
-
-        if (ret) {
-                gf_log ("", GF_LOG_CRITICAL, "Stage response received from "
-                        "unknown peer: %s", uuid_utoa (rsp.uuid));
-        }
-
-        if (op_ret) {
-                event_type = GD_OP_EVENT_RCVD_RJT;
-                opinfo.op_ret = op_ret;
-                opinfo.op_errstr = gf_strdup(rsp.op_errstr);
-                if (!opinfo.op_errstr) {
-                        gf_log ("", GF_LOG_ERROR, "memory allocation failed");
-                        ret = -1;
-                        goto out;
-                }
-        } else {
-                event_type = GD_OP_EVENT_RCVD_ACC;
-        }
-
-        switch (rsp.op) {
-        case GD_OP_REPLACE_BRICK:
-                glusterd_rb_use_rsp_dict (dict);
-                break;
-        }
-
-        ret = glusterd_op_sm_inject_event (event_type, NULL);
-
-        if (!ret) {
-                glusterd_friend_sm ();
-                glusterd_op_sm ();
-        }
-
-out:
-        if (rsp.op_errstr && strcmp (rsp.op_errstr, "error"))
-                free (rsp.op_errstr); //malloced by xdr
-        if (dict) {
-                if (!dict->extra_stdfree && rsp.dict.dict_val)
-                        free (rsp.dict.dict_val); //malloced by xdr
-                dict_unref (dict);
-        } else {
-                if (rsp.dict.dict_val)
-                        free (rsp.dict.dict_val); //malloced by xdr
-        }
-        GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe));
-        return ret;
-}
-
-static int32_t
-glusterd_sync_use_rsp_dict (dict_t *rsp_dict)
-{
-        int      ret      = 0;
-
-        GF_ASSERT (rsp_dict);
-
-        if (!rsp_dict) {
-                goto out;
-        }
-
-        ret = glusterd_import_friend_volumes (rsp_dict);
-out:
-        return ret;
-
-}
-
-int32_t
-glusterd3_1_commit_op_cbk (struct rpc_req *req, struct iovec *iov,
-                          int count, void *myframe)
-{
-        gd1_mgmt_commit_op_rsp         rsp   = {{0},};
-        int                           ret   = -1;
-        int32_t                       op_ret = -1;
-        glusterd_op_sm_event_type_t   event_type = GD_OP_EVENT_NONE;
-        glusterd_peerinfo_t           *peerinfo = NULL;
-        dict_t                        *dict = NULL;
-
-
-        GF_ASSERT (req);
-
-        if (-1 == req->rpc_status) {
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                rsp.op_errstr = "error";
-		event_type = GD_OP_EVENT_RCVD_RJT;
-                goto out;
-        }
-
-        ret = gd_xdr_to_mgmt_commit_op_rsp (*iov, &rsp);
-        if (ret < 0) {
-                gf_log ("", GF_LOG_ERROR, "error");
-                rsp.op_ret   = -1;
-                rsp.op_errno = EINVAL;
-                rsp.op_errstr = "error";
-		event_type = GD_OP_EVENT_RCVD_RJT;
-                goto out;
-        }
-
-        if (rsp.dict.dict_len) {
-                /* Unserialize the dictionary */
-                dict  = dict_new ();
-
-                ret = dict_unserialize (rsp.dict.dict_val,
-                                        rsp.dict.dict_len,
-                                        &dict);
-                if (ret < 0) {
-                        gf_log ("glusterd", GF_LOG_ERROR,
-                                "failed to "
-                                "unserialize rsp-buffer to dictionary");
-			event_type = GD_OP_EVENT_RCVD_RJT;
-                        goto out;
-                } else {
-                        dict->extra_stdfree = rsp.dict.dict_val;
-                }
-        }
-
-        op_ret = rsp.op_ret;
-
-        gf_log ("glusterd", GF_LOG_NORMAL,
-                "Received %s from uuid: %s",
-                (op_ret)?"RJT":"ACC", uuid_utoa (rsp.uuid));
-
-        ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo);
-
-        if (ret) {
-                gf_log ("", GF_LOG_CRITICAL, "Commit response received from "
-                        "unknown peer: %s", uuid_utoa (rsp.uuid));
-        }
-
-        if (op_ret) {
-                event_type = GD_OP_EVENT_RCVD_RJT;
-                opinfo.op_ret = op_ret;
-                opinfo.op_errstr = gf_strdup(rsp.op_errstr);
-                if (!opinfo.op_errstr) {
-                        gf_log ("", GF_LOG_ERROR, "memory allocation failed");
-                        ret = -1;
-                        goto out;
-                }
-        } else {
-                event_type = GD_OP_EVENT_RCVD_ACC;
-                switch (rsp.op) {
-                case GD_OP_REPLACE_BRICK:
-                        ret = glusterd_rb_use_rsp_dict (dict);
-                        if (ret)
-                                goto out;
-                        break;
-                case GD_OP_SYNC_VOLUME:
-                        ret = glusterd_sync_use_rsp_dict (dict);
-                        if (ret)
-                                goto out;
-                        break;
-                default:
-                        break;
-                }
-        }
-
-out:
-        ret = glusterd_op_sm_inject_event (event_type, NULL);
-
-        if (!ret) {
-                glusterd_friend_sm ();
-                glusterd_op_sm ();
-        }
-
-        if (dict)
-                dict_unref (dict);
-        if (rsp.op_errstr && strcmp (rsp.op_errstr, "error"))
-                free (rsp.op_errstr); //malloced by xdr
-        GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe));
-        return ret;
-}
-
-
-
-int32_t
-glusterd3_1_probe (call_frame_t *frame, xlator_t *this,
-                   void *data)
-{
-        gd1_mgmt_probe_req      req = {{0},};
-        int                     ret = 0;
-        int                     port = 0;
-        char                    *hostname = NULL;
-        glusterd_peerinfo_t     *peerinfo = NULL;
-        glusterd_conf_t         *priv = NULL;
-        dict_t                  *dict = NULL;
-
-        if (!frame || !this ||  !data) {
-                ret = -1;
-                goto out;
-        }
-
-        dict = data;
-        priv = this->private;
-
-        GF_ASSERT (priv);
-        ret = dict_get_str (dict, "hostname", &hostname);
-        if (ret)
-                goto out;
-        ret = dict_get_int32 (dict, "port", &port);
-        if (ret)
-                port = GF_DEFAULT_BASE_PORT;
-
-        ret = dict_get_ptr (dict, "peerinfo", VOID (&peerinfo));
-        if (ret)
-                goto out;
-
-        uuid_copy (req.uuid, priv->uuid);
-        req.hostname = gf_strdup (hostname);
-        req.port = port;
-
-        ret = glusterd_submit_request (peerinfo, &req, frame, peerinfo->mgmt,
-                                       GD_MGMT_PROBE_QUERY,
-                                       NULL, gd_xdr_from_mgmt_probe_req,
-                                       this, glusterd3_1_probe_cbk);
-
-out:
-        if (req.hostname)
-                GF_FREE (req.hostname);
-        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
-        return ret;
-}
-
-
-int32_t
-glusterd3_1_friend_add (call_frame_t *frame, xlator_t *this,
-                        void *data)
-{
-        gd1_mgmt_friend_req         req      = {{0},};
-        int                         ret      = 0;
-        glusterd_peerinfo_t        *peerinfo = NULL;
-        glusterd_conf_t            *priv     = NULL;
-        glusterd_friend_sm_event_t *event    = NULL;
-        glusterd_friend_req_ctx_t  *ctx      = NULL;
-        dict_t                     *vols     = NULL;
-
-
-        if (!frame || !this || !data) {
-                ret = -1;
-                goto out;
-        }
-
-        event = data;
-        priv = this->private;
-
-        GF_ASSERT (priv);
-
-        ctx = event->ctx;
-
-        peerinfo = event->peerinfo;
-
-        ret = glusterd_build_volume_dict (&vols);
-        if (ret)
-                goto out;
-
-        uuid_copy (req.uuid, priv->uuid);
-        req.hostname = peerinfo->hostname;
-        req.port = peerinfo->port;
-
-        ret = dict_allocate_and_serialize (vols, &req.vols.vols_val,
-                                           (size_t *)&req.vols.vols_len);
-        if (ret)
-                goto out;
-
-        ret = glusterd_submit_request (peerinfo, &req, frame, peerinfo->mgmt,
-                                       GD_MGMT_FRIEND_ADD,
-                                       NULL, gd_xdr_from_mgmt_friend_req,
-                                       this, glusterd3_1_friend_add_cbk);
-
-
-out:
-        if (req.vols.vols_val)
-                GF_FREE (req.vols.vols_val);
-
-        if (vols)
-                dict_unref (vols);
-
-        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
-        return ret;
-}
-
-int32_t
-glusterd3_1_friend_remove (call_frame_t *frame, xlator_t *this,
-                           void *data)
-{
-        gd1_mgmt_friend_req             req = {{0},};
-        int                             ret = 0;
-        glusterd_peerinfo_t             *peerinfo = NULL;
-        glusterd_conf_t                 *priv = NULL;
-        glusterd_friend_sm_event_t      *event = NULL;
-
-        if (!frame || !this || !data) {
-                ret = -1;
-                goto out;
-        }
-
-        event = data;
-        priv = this->private;
-
-        GF_ASSERT (priv);
-
-        peerinfo = event->peerinfo;
-
-        uuid_copy (req.uuid, priv->uuid);
-        req.hostname = peerinfo->hostname;
-        req.port = peerinfo->port;
-        ret = glusterd_submit_request (peerinfo, &req, frame, peerinfo->mgmt,
-                                       GD_MGMT_FRIEND_REMOVE,
-                                       NULL, gd_xdr_from_mgmt_friend_req,
-                                       this, glusterd3_1_friend_remove_cbk);
-
-out:
-        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
-        return ret;
-}
-
-
-int32_t
-glusterd3_1_friend_update (call_frame_t *frame, xlator_t *this,
-                           void *data)
-{
-        gd1_mgmt_friend_update  req         = {{0},};
-        int                     ret         = 0;
-        glusterd_conf_t        *priv        = NULL;
-        dict_t                 *friends     = NULL;
-        char                   *dict_buf    = NULL;
-        size_t                  len         = -1;
-        call_frame_t           *dummy_frame = NULL;
-        glusterd_peerinfo_t    *peerinfo    = NULL;
-
-        priv = this->private;
-        GF_ASSERT (priv);
-
-        friends = data;
-        if (!friends)
-                goto out;
-
-        ret = dict_get_ptr (friends, "peerinfo", VOID(&peerinfo));
-        if (ret)
-                goto out;
-
-        ret = dict_allocate_and_serialize (friends, &dict_buf, (size_t *)&len);
-        if (ret)
-                goto out;
-
-        req.friends.friends_val = dict_buf;
-        req.friends.friends_len = len;
-
-        uuid_copy (req.uuid, priv->uuid);
-
-        dummy_frame = create_frame (this, this->ctx->pool);
-        ret = glusterd_submit_request (peerinfo, &req, dummy_frame,
-                                       peerinfo->mgmt,
-                                       GD_MGMT_FRIEND_UPDATE,
-                                       NULL, gd_xdr_from_mgmt_friend_update,
-                                       this, glusterd3_1_friend_update_cbk);
-
-out:
-        if (req.friends.friends_val)
-                GF_FREE (req.friends.friends_val);
-
-        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
-        return ret;
-}
-
-int32_t
-glusterd3_1_cluster_lock (call_frame_t *frame, xlator_t *this,
-                          void *data)
-{
-        gd1_mgmt_cluster_lock_req       req = {{0},};
-        int                             ret = -1;
-        glusterd_peerinfo_t             *peerinfo = NULL;
-        glusterd_conf_t                 *priv = NULL;
-        call_frame_t                    *dummy_frame = NULL;
-
-        if (!this)
-                goto out;
-
-        peerinfo = data;
-
-        priv = this->private;
-        GF_ASSERT (priv);
-
-        glusterd_get_uuid (&req.uuid);
-
-        dummy_frame = create_frame (this, this->ctx->pool);
-        if (!dummy_frame)
-                goto out;
-
-        ret = glusterd_submit_request (peerinfo, &req, dummy_frame,
-                                       peerinfo->mgmt, GD_MGMT_CLUSTER_LOCK,
-                                       NULL,
-                                       gd_xdr_from_mgmt_cluster_lock_req,
-                                       this, glusterd3_1_cluster_lock_cbk);
-out:
-        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
-        return ret;
-}
-
-int32_t
-glusterd3_1_cluster_unlock (call_frame_t *frame, xlator_t *this,
-                            void *data)
-{
-        gd1_mgmt_cluster_lock_req       req = {{0},};
-        int                             ret = -1;
-        glusterd_peerinfo_t             *peerinfo = NULL;
-        glusterd_conf_t                 *priv = NULL;
-        call_frame_t                    *dummy_frame = NULL;
-
-        if (!this ) {
-                ret = -1;
-                goto out;
-        }
-        peerinfo = data;
-        priv = this->private;
-        GF_ASSERT (priv);
-
-        glusterd_get_uuid (&req.uuid);
-
-        dummy_frame = create_frame (this, this->ctx->pool);
-        if (!dummy_frame)
-                goto out;
-
-        ret = glusterd_submit_request (peerinfo, &req, dummy_frame,
-                                       peerinfo->mgmt, GD_MGMT_CLUSTER_UNLOCK,
-                                       NULL,
-                                       gd_xdr_from_mgmt_cluster_unlock_req,
-                                       this, glusterd3_1_cluster_unlock_cbk);
-out:
-        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
-        return ret;
-}
-
-int32_t
-glusterd3_1_stage_op (call_frame_t *frame, xlator_t *this,
-                      void *data)
-{
-        gd1_mgmt_stage_op_req           *req = NULL;
-        int                             ret = -1;
-        glusterd_peerinfo_t             *peerinfo = NULL;
-        glusterd_conf_t                 *priv = NULL;
-        int                             i = 0;
-        call_frame_t                    *dummy_frame = NULL;
-        char                            *op_errstr = NULL;
-
-        if (!this) {
-                goto out;
-        }
-
-        peerinfo = data;
-        priv = this->private;
-        GF_ASSERT (priv);
-
-        for ( i = GD_OP_NONE; i < GD_OP_MAX; i++) {
-                if (opinfo.pending_op[i])
-                        break;
-        }
-
-        if (GD_OP_MAX == i) {
-                //No pending ops, inject stage_acc
-                ret = glusterd_op_sm_inject_event
-                        (GD_OP_EVENT_STAGE_ACC, NULL);
-
-                return ret;
-        }
-
-        glusterd_op_clear_pending_op (i);
-
-        ret = glusterd_op_build_payload (i, &req);
-        if (ret)
-                goto out;
-
-        /* rsp_dict NULL from source */
-        ret = glusterd_op_stage_validate (req, &op_errstr, NULL);
-        if (ret) {
-                gf_log ("", GF_LOG_ERROR, "Staging failed");
-                opinfo.op_errstr = op_errstr;
-                goto out;
-        }
-
-        dummy_frame = create_frame (this, this->ctx->pool);
-        if (!dummy_frame)
-                goto out;
-
-        ret = glusterd_submit_request (peerinfo, req, dummy_frame,
-                                       peerinfo->mgmt, GD_MGMT_STAGE_OP,
-                                       NULL,
-                                       gd_xdr_from_mgmt_stage_op_req,
-                                       this, glusterd3_1_stage_op_cbk);
-
-out:
-        if (req) {
-                GF_FREE (req->buf.buf_val);
-                GF_FREE (req);
-        }
-        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
-        return ret;
-}
-
-int32_t
-glusterd3_1_commit_op (call_frame_t *frame, xlator_t *this,
-                      void *data)
-{
-        gd1_mgmt_commit_op_req          *req = NULL;
-        int                             ret = -1;
-        glusterd_peerinfo_t             *peerinfo = NULL;
-        glusterd_conf_t                 *priv = NULL;
-        int                             i = 0;
-        call_frame_t                    *dummy_frame = NULL;
-        char                            *op_errstr = NULL;
-
-        if (!this) {
-                goto out;
-        }
-
-        priv = this->private;
-        GF_ASSERT (priv);
-
-        for ( i = GD_OP_NONE; i < GD_OP_MAX; i++) {
-                if (opinfo.commit_op[i])
-                        break;
-        }
-
-        if (GD_OP_MAX == i) {
-                //No pending ops, return
-                return 0;
-        }
-
-        glusterd_op_clear_commit_op (i);
-
-        ret = glusterd_op_build_payload (i, (gd1_mgmt_stage_op_req **)&req);
-
-        if (ret)
-                goto out;
-
-        ret = glusterd_op_commit_perform ((gd1_mgmt_stage_op_req *)req, &op_errstr,
-                                          NULL);//rsp_dict invalid for source
-        if (ret) {
-                gf_log ("", GF_LOG_ERROR, "Commit failed");
-                opinfo.op_errstr = op_errstr;
-                goto out;
-        }
-
-        peerinfo = data;
-        GF_ASSERT (peerinfo);
-
-        dummy_frame = create_frame (this, this->ctx->pool);
-        if (!dummy_frame)
-                goto out;
-
-        ret = glusterd_submit_request (peerinfo, req, dummy_frame,
-                                       peerinfo->mgmt, GD_MGMT_COMMIT_OP,
-                                       NULL,
-                                       gd_xdr_from_mgmt_commit_op_req,
-                                       this, glusterd3_1_commit_op_cbk);
-
-out:
-        if (req) {
-                GF_FREE (req->buf.buf_val);
-                GF_FREE (req);
-        }
-        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
-        return ret;
-}
-
-struct rpc_clnt_procedure glusterd3_1_clnt_mgmt_actors[GD_MGMT_MAXVALUE] = {
-        [GD_MGMT_NULL]        = {"NULL", NULL },
-        [GD_MGMT_PROBE_QUERY]  = { "PROBE_QUERY",  glusterd3_1_probe},
-        [GD_MGMT_FRIEND_ADD]  = { "FRIEND_ADD",  glusterd3_1_friend_add },
-        [GD_MGMT_CLUSTER_LOCK] = {"CLUSTER_LOCK", glusterd3_1_cluster_lock},
-        [GD_MGMT_CLUSTER_UNLOCK] = {"CLUSTER_UNLOCK", glusterd3_1_cluster_unlock},
-        [GD_MGMT_STAGE_OP] = {"STAGE_OP", glusterd3_1_stage_op},
-        [GD_MGMT_COMMIT_OP] = {"COMMIT_OP", glusterd3_1_commit_op},
-        [GD_MGMT_FRIEND_REMOVE]  = { "FRIEND_REMOVE",  glusterd3_1_friend_remove},
-        [GD_MGMT_FRIEND_UPDATE]  = { "FRIEND_UPDATE",  glusterd3_1_friend_update},
-};
-
-
-
-struct rpc_clnt_program glusterd3_1_mgmt_prog = {
-        .progname  = "Mgmt 3.1",
-        .prognum   = GLUSTERD1_MGMT_PROGRAM,
-        .progver   = GLUSTERD1_MGMT_VERSION,
-        .proctable = glusterd3_1_clnt_mgmt_actors,
-        .numproc   = GLUSTERD1_MGMT_PROCCNT,
-};